/
runGlobalHook.ts
63 lines (52 loc) · 1.69 KB
/
runGlobalHook.ts
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/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
import pEachSeries from 'p-each-series';
import {Config} from '@jest/types';
import {Test} from 'jest-runner';
import {ScriptTransformer} from '@jest/transform';
import {interopRequireDefault} from 'jest-util';
export default async ({
allTests,
globalConfig,
moduleName,
}: {
allTests: Array<Test>;
globalConfig: Config.GlobalConfig;
moduleName: 'globalSetup' | 'globalTeardown';
}): Promise<void> => {
const globalModulePaths = new Set(
allTests.map(test => test.context.config[moduleName]),
);
if (globalConfig[moduleName]) {
globalModulePaths.add(globalConfig[moduleName]);
}
if (globalModulePaths.size > 0) {
await pEachSeries(Array.from(globalModulePaths), async modulePath => {
if (!modulePath) {
return;
}
const correctConfig = allTests.find(
t => t.context.config[moduleName] === modulePath,
);
const projectConfig = correctConfig
? correctConfig.context.config
: // Fallback to first config
allTests[0].context.config;
const transformer = new ScriptTransformer(projectConfig);
await transformer.requireAndTranspileModule(modulePath, async m => {
const globalModule = interopRequireDefault(m).default;
if (typeof globalModule !== 'function') {
throw new TypeError(
`${moduleName} file must export a function at ${modulePath}`,
);
}
await globalModule(globalConfig);
});
});
}
return Promise.resolve();
};